CN201530370U - Double-function brake device for air pump energy storage brake and friction brake - Google Patents

Double-function brake device for air pump energy storage brake and friction brake Download PDF

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Publication number
CN201530370U
CN201530370U CN2009201114269U CN200920111426U CN201530370U CN 201530370 U CN201530370 U CN 201530370U CN 2009201114269 U CN2009201114269 U CN 2009201114269U CN 200920111426 U CN200920111426 U CN 200920111426U CN 201530370 U CN201530370 U CN 201530370U
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CN
China
Prior art keywords
brake
air pump
electromagnetic valve
braking
friction
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN2009201114269U
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Chinese (zh)
Inventor
陈蜀乔
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Kunming University of Science and Technology
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Kunming University of Science and Technology
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Application filed by Kunming University of Science and Technology filed Critical Kunming University of Science and Technology
Priority to CN2009201114269U priority Critical patent/CN201530370U/en
Application granted granted Critical
Publication of CN201530370U publication Critical patent/CN201530370U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model relates to a brake device, in particular to a double-function brake device for an air pump energy storage brake and a friction brake, which belongs to the technical field of carrying tools. Based on a brake drum brake device, the brake device adopts an air pump to be installed on a sliding shaft perpendicular to a vehicle shaft; a rotary shaft of the air pump extends into a brake drum; a friction roller wheel is installed at the tail end of the rotary shaft; an electromagnet is installed at the tail end of the sliding shaft; a return spring abutted to the air pump is arranged at the tail end of the sliding shaft; an air conveying pipe for the air pump is connected to a high-pressure air storage tank by an electromagnetic valve and an air pressure control electromagnetic valve; the electromagnetic valve and the air pressure control electromagnetic valve are connected with an electronic control device; a switch of the electronic control device links with a brake pedal and an oiling pedal; and a revolution speed transducer is installed at the edge of a rim and connected onto an ABS control plate inside the electronic control device through a signal line. The brake device is compact and convenient in structure, low in cost and easy in implementation, can use braking storage energy when in starting, and two systems of the friction brake and an air pump brake energy back brake can act simultaneously when in braking, thereby brake is safer.

Description

Air pump energy storage braking and friction braking dual-function braking device
Technical field
The present invention relates to a kind of air pump braking resilience braking and friction braking dual system brake gear, belong to the apparatus of transport technical field.
Background technology
Changing brake energy into pressurized air can store, but energy savings reduces the oil consumption of vehicle ' significantly.The mode of brake resilience at present mainly adopts two classes: the one, brake energy is driven a generator for electricity generation, and with power storage; The 2nd, employing changes brake energy into pressurized air can store.The mode capacity usage ratio of power storage resilience is lower, and the device for converting electric energy cost is also higher, is difficult to promote; Compressed-air actuated resilience mode, normally the resilience device is arranged on the total shaft position of transmission of automobile, this resilience device is bigger and complicated, and mechanism is too heavy, and this pressurized air resilience brake is controlled easily not as brake facing, therefore has potential safety hazard in application.
Summary of the invention
The purpose of this utility model provides a kind of air pump energy storage braking and friction braking dual-function braking device, the structure compact volume and convenience, and cost is lower, easily implement, energy storage when startup can utilize brake, two systems of friction braking and air pump braking resilience braking work simultaneously during brake, brake safer.
Solving the scheme that technical matters of the present utility model adopts is: brake wheel and axle center dish are fixed into one, brake shoe brake cheek is contained in the brake wheel cavity, it is characterized in that: air pump is contained on the slide shaft vertical with axletree, the rotating shaft of air pump extends in the brake wheel, the terminal dress of rotating shaft friction roller, the slide shaft end is equipped with electromagnet and is provided with the retracing spring that is compressing air pump, air pump is connected to high pressure tank with gas piping through the gentle pressure-controlled electromagnetic valve of electromagnetic valve, gentle pressure-controlled electromagnetic valve of electromagnetic valve and electronic control package electricly connect, the interlock of the switch of electronic control package and brake pedal and footfeed, rim edge are installed tachogen and are received ABS control plate in the electronic control package by signal wire (SW).
When brake, brake pedal has just been connected the brake electromagnet of slide shaft end and the source switch of brake simultaneously.1. the brake electromagnet energising produces magnetic force, and the cliding seat of air pump is subjected to attract to move to the electromagnet direction, is fixed by magnetic force.So the friction roller in the air pump rotating shaft is pressed on the inside face of brake wheel, make air pump work, the brake shoe brake cheek of the friction braking mechanism that the while vehicle is traditional also is pressed on the brake wheel; 2. simultaneously, because the switch connection of electronic control package, spool moves, and makes air pump be in compressed-air actuated mode of operation with air pump bonded assembly electromagnetic valve, is controlling suction air is flowed through after the air pressure control electromagnetic valve by gas piping, enters in the high pressure tank.Braking strength is strong more, the variable-resistance resistance that links with it is big more, electronic control package makes the coil current that flows into the air pressure control electromagnetic valve big more, magnetic force is strong more, and the conical valve core is closed tight more, and compressed air pressure increases, the rotating torque of air pump strengthens, brake torque strengthens, and has so just realized the purpose of automatically controlled brake torque, and electric control braking all works for brake pedal whole process.
Mechanical braking still adopts the structure of conventional truck, and when stepping on brake pedal, first half term is an idle travel for mechanical braking, continues to adopt brake pedal downwards, and mechanical braking begins to work.Brake shoe brake cheek in the brake wheel opens, and carries out friction braking.At the back half trip of brake, friction braking and air pump braking are worked simultaneously.
Comprehensively above-mentioned, brake system of the present utility model has had the function of machinery and automatically controlled dual control brake torque.Fully guaranteed the safety of braking.
The slide shaft that this device air pump moves is fixed on the Axle bearing by permanent seat, air pump is fixed on the cliding seat again, cliding seat is contained on the slide shaft, retracing spring one end is compressing on the electromagnet bearing of slide shaft end, the other end is compressing cliding seat, makes air pump keep friction roller to break away from brake wheel when not working.
The described electromagnetic valve that links to each other with the air pump gas piping adopts two one logical electromagnetic valves, and a valve port connects the outlet of air pump, and another valve port connects the inlet of air pump; Brake pedal and footfeed all link with a variable resistance,
Adopt transistor amplifier and relay to connect in the electronic control package, the mouth of ABS control plate and described variable resistance all insert the input end of transistor amplifier, and the relay of mouth is connected with the air pressure control electromagnetic valve; At brake pedal and footfeed place switch is housed respectively, each switch correspondence respectively is in series with relay, and the contact of each relay is connected with the corresponding coil of electromagnetic valve with the power supply series connection and the while of transistor amplifier again.
Described edge at brake wheel also is equipped with a drg guard shield, the friction roller of brake shoe brake cheek and air pump is included in wherein, thereby the mechanical movement member is played the better protect effect.
Taper valve core and cooresponding taper valve opening in described air pressure control electromagnetic valve, have been adopted, spool end is compressing valve spring, electronic control package by this device, adjustable rectification is through the size of the magnetic coil electric current of air pressure control electromagnetic valve, reach the size of adjusting slit between taper valve core and the taper valve opening, also just can play and adjust the size that enters high pressure tank or drive air motor air pressure.
The beneficial effects of the utility model are: adopt the mode of air pump resilience to receive and keep the energy that stores up when braking back and forth, the structure compact volume and convenience is applicable to medium-sized and heavy goods vehicles.The energy of brake reclaims by the energy that air pump changes high pressure gas into, when having avoided sloping after the match, and the shortcoming that friction braking is overheated.The energy that is reclaimed discharges when automobile starting again, becomes kinetic energy, can make full use of the energy, reduces oil consumption, and the resilience device is simple in structure, and cost is lower.When sudden stop, friction braking and two systems of air pump braking resilience braking work simultaneously, realize the dual system braking, brake safer.Has the ABS function.Make braking have more sufficient safety.
Description of drawings
Fig. 1 is the utility model mechanics integral structure scheme drawing;
Fig. 2 is the utility model mechanics local structure scheme drawings;
Fig. 3 is a pneumatic and electric control principle scheme drawing of the present utility model;
Fig. 4 is an air pressure control electromagnetic valve scheme drawing of the present utility model.
Each label is represented successively in Fig. 1~4: tire 1, wheel rim gear ring 2, tachogen 3, spoke 4, brake wheel 5, friction roller 6, axle center dish 7, drg guard shield 8, wheel rim 9, electromagnet 10, retracing spring 11, slide shaft 12, air pump air inlet/outlet 13, air pump 14, cliding seat 15, permanent seat 16, Axle bearing 17, axletree 18, brake shoe brake cheek 19, electromagnetic valve 20, air pressure control electromagnetic valve 21, high pressure tank 22, gas piping 23, taper valve core 24, friction braking valve 25, valve spring 26, ABS control plate 27.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing 1~4 and embodiment.
Referring to Fig. 1,2, the mechanical braking of this device still adopts the brake structure of conventional truck, and promptly brake wheel 5 is fixed into one with axle center dish 7, and brake shoe brake cheek 19 is contained in brake wheel 5 cavitys.The automatically controlled air pump resilience stop mechanism of this device is, air pump 14 is fixed on the cliding seat 15, cliding seat 15 is contained in again on the slide shaft 12, slide shaft 12 is vertical with axletree 18, four are fixed on the permanent seat 16 symmetrically, permanent seat 16 is fixed on again on the Axle bearing 17, and the mobile end of slide shaft 12 is installed with electromagnet 10 by bearing, is compressing retracing spring 11 between the bearing of electromagnet and cliding seat 15.The rotating shaft of air pump 14 extends in the brake wheel 5, and the friction roller 6 that the rotating shaft end is adorned faces brake wheel 5 inwalls.When electromagnet 10 when electric, air pump 14 work, electromagnet 10 picks up cliding seat 15, and the friction roller 6 of air pump 14 rotating shafts is close on the brake wheel 5, calm the anger with friction roller 6 rotations, perhaps drive brake wheel 5 and rotate by drive of high-pressure gas friction roller 6.The air pump air inlet/outlet 13 of air pump 14 connects electromagnetic valve 20 gentle pressure-controlled electromagnetic valves 21 successively by gas piping 23, electromagnetic valve 20 adopts two one logical electromagnetic valves, one valve port connects the outlet of air pump, another valve port connects the inlet of air pump 14, and electromagnetic valve 20 is in air pump 14 to the compressed-air actuated state of high pressure tank 22 conveyings when brake; Electromagnetic valve 20 is in high pressure tank 22 to the compressed-air actuated state of air pump 14 conveyings when quickening, and air pump 14 converts air motor at this moment to.
Referring to Fig. 3, aspect automatically controlled, during brake, brake pedal moves downward, brakes on source switch K1, and the relay J 1 of two one logical electromagnetic valves 20 is connected, and spool moves, and the valve opening that flows to high pressure tank 22 stations is opened.Air pump 14 is in compressed-air actuated mode of operation, the suction hole aspirated air of air by electromagnetic valve 20 compressed, and the high pressure air of compression is entered in the high pressure tank 22 (high pressure tank 22 is equipped with safety valve) through air pressure control electromagnetic valve 21 by gas piping 23.Braking strength is strong more, the slip variable resistance R resistance that links to each other with brake pedal is big more, the electric current of VT2 in the transistor amplifier is big more, the coil current of air pressure control electromagnetic valve 21 is big more, and magnetic force is strong more, and taper valve core 24 (see figure 4)s are closed tight more, compressed air pressure increases, the rotating torque of air pump 14 strengthens, and brake torque also strengthens thereupon, has so just realized the purpose of automatically controlled brake torque.In addition, the starting stage that brake pedal has just moved downward, automatically controlled air pump braking moment is at first done work; When brake pedal continued to move downward, traditional mechanical formula friction brake was just started working, and the dual control brake torque of mechanical friction and automatically controlled air pump resistance is provided, thereby has made vehicle braked safer.
Behind the releasing of brake, electrical controller is in off-position, plays the electromagnetic valve 20 of turnover gas control making usefulness and is getting back to midway location, and air pump air inlet/outlet 13 is closed, and high pressure air is stored in the high pressure tank 22, can not leak.
After autoclutch connects, during automobile starting, step on the throttle, K switch 2 in Das Gaspedal and the electronic control package mechanically links, at this moment high pressure tank 22 is to air pump 14 air feed, and air pump is converted to air motor 14 this moments, and friction roller 6 drives brake wheel 5 and rotates.Throttle source switch K2 connects, and the control relay J2 of electromagnetic valve 20 connects, and spool is opposite with above-mentioned moving direction, and tracheae switches.Air pump 14 is in the mode of operation of air motor, pressurized air in the high pressure tank 22 by high pressure air by air pressure control electromagnetic valve 21 in air pump gas piping 23 enters air pump 14 (air motor), the throttle dynamics is strong more, the swept resistance R resistance that is attached thereto is more little, the electric current of VT2 is more little, electric current is more little in the coil of air pressure control electromagnetic valve 21, magnetic force is weak more, the effect (see figure 4) that taper valve core 24 is pushed open by valve spring 26, aperture is big more, and the output compressed air pressure increases, and the rotating torque of air pump 14 strengthens, staring torque strengthens, and has so just realized the function of machinery and automatically controlled dual control moment of starting.
The ABS function: see Fig. 3, when emergency brake of vehicle, 1. the rotating speed of wheel reduces rapidly under the effect of brake system, when the wheel rim gear ring 2 other tachogens of installing 3 perceive wheel when being about to stop operating, sends signal i by tachogen 3 vTo ABS control plate 27, ABS control plate 27 provides the input end of amplifying circuit in the electronic control package that an instruction is sent to brake, coil current by regulating control air pressure control electromagnetic valve 21 reduces braking force, when wheel return to wheel when being about to stall again braking force reduce again, so repeatedly, guarantee that wheel is not by locking; 2. the instruction that provides of ABS control plate 27 is sent to the friction braking valve 25 of original automobile simultaneously, by the regulating control friction brake force, guarantees that wheel not by locking, so just carried out the ABS function from two aspects.Promptly when wheel return to wheel when being about to stall again braking force reduce again, so repeatedly, guarantee wheel not by locking, this action is very rapidly, approximately takes place each second tens times.Enough braking forces can be kept like this, vehicle get out of hand behind the wheel lockup can be prevented again.Particularly on wet and slippery road surface, wheel lockup can break away, spin, and is very dangerous.

Claims (5)

1. air pump energy storage braking and friction braking dual-function braking device, brake wheel and axle center dish are fixed into one, brake shoe brake cheek is contained in the brake wheel cavity, it is characterized in that: air pump is contained on the slide shaft vertical with axletree, the rotating shaft of air pump extends in the brake wheel, the terminal dress of rotating shaft friction roller, the slide shaft end is equipped with electromagnet and is provided with the retracing spring that is compressing air pump, air pump is connected to high pressure tank with gas piping through the gentle pressure-controlled electromagnetic valve of electromagnetic valve, gentle pressure-controlled electromagnetic valve of electromagnetic valve and electronic control package electricly connect, the interlock of the switch of electronic control package and brake pedal and footfeed, rim edge are installed tachogen and are received ABS control plate in the electronic control package by signal wire (SW).
2. by claim 1 described air pump energy storage braking and friction braking dual-function braking device, it is characterized in that: the slide shaft that air pump moves is fixed on the Axle bearing by permanent seat, air pump is fixed on the cliding seat, cliding seat is contained on the slide shaft, retracing spring one end is compressing on the electromagnet bearing of slide shaft end, and the other end is compressing cliding seat.
3. by claim 1 described air pump energy storage braking and friction braking dual-function braking device, it is characterized in that: the electromagnetic valve that links to each other with the air pump gas piping adopts two one logical electromagnetic valves, and a valve port connects the outlet of air pump, and another valve port connects the inlet of air pump; Brake pedal and footfeed all link with a variable resistance, adopt transistor amplifier and relay to connect in the electronic control package, the mouth of ABS control plate and described variable resistance all insert the input end of transistor amplifier, and the relay of mouth is connected with the air pressure control electromagnetic valve; At brake pedal and footfeed place switch is housed respectively, each switch correspondence respectively is in series with relay, and the contact of each relay is connected with the corresponding coil of electromagnetic valve with the power supply series connection and the while of transistor amplifier again.
4. by claim 2 described air pump energy storage braking and friction braking dual-function braking device, it is characterized in that: at the edge of brake wheel one drg guard shield is housed also, the friction roller of brake shoe brake cheek and air pump is included in wherein.
5. by claim 3 described air pump energy storage braking and friction braking dual-function braking device, it is characterized in that: adopted taper valve core and cooresponding taper valve opening in described air pressure control electromagnetic valve, spool end is compressing valve spring.
CN2009201114269U 2009-05-22 2009-05-22 Double-function brake device for air pump energy storage brake and friction brake Expired - Lifetime CN201530370U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009201114269U CN201530370U (en) 2009-05-22 2009-05-22 Double-function brake device for air pump energy storage brake and friction brake

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009201114269U CN201530370U (en) 2009-05-22 2009-05-22 Double-function brake device for air pump energy storage brake and friction brake

Publications (1)

Publication Number Publication Date
CN201530370U true CN201530370U (en) 2010-07-21

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009201114269U Expired - Lifetime CN201530370U (en) 2009-05-22 2009-05-22 Double-function brake device for air pump energy storage brake and friction brake

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101574929B (en) * 2009-05-22 2012-10-17 昆明理工大学 Dual-function braking device combining air pump resilience with friction
CN104590039A (en) * 2015-02-07 2015-05-06 盐城工学院 Automobile brake system with intelligent main controller
CN104627000A (en) * 2015-02-07 2015-05-20 盐城工学院 Automobile brake system with intelligent magnetism control mechanism
CN114572010A (en) * 2022-05-05 2022-06-03 深圳弘富源科技有限公司 Energy-saving buffer for new energy automobile

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101574929B (en) * 2009-05-22 2012-10-17 昆明理工大学 Dual-function braking device combining air pump resilience with friction
CN104590039A (en) * 2015-02-07 2015-05-06 盐城工学院 Automobile brake system with intelligent main controller
CN104627000A (en) * 2015-02-07 2015-05-20 盐城工学院 Automobile brake system with intelligent magnetism control mechanism
CN104590039B (en) * 2015-02-07 2016-08-31 盐城工学院 Automobile is with the brake system of intelligence master controller
CN114572010A (en) * 2022-05-05 2022-06-03 深圳弘富源科技有限公司 Energy-saving buffer for new energy automobile
CN114572010B (en) * 2022-05-05 2022-07-05 深圳弘富源科技有限公司 Energy-saving buffer for new energy automobile

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C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20100721

Effective date of abandoning: 20090522

RGAV Abandon patent right to avoid regrant